Improper access control in Apache Thrift - CVE-2026-43870

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Main Vulnerability Database Vulnerabilities #VU145304

Improper access control in Apache Thrift - CVE-2026-43870

Published: August 25, 2026


Vulnerability identifier: #VU145304
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-43870
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass origin validation.

The vulnerability exists due to improper access control in Node.js web_server.js when handling cross-origin requests. A remote attacker can send a specially crafted request to bypass origin validation.


Affected software

Apache Thrift
IBM App Connect Enterprise

How to mitigate CVE-2026-43870

Install security update from vendor's website.

Apache Thrift - update to 0.23.0
IBM App Connect Enterprise - update to 13.0.7.2

External References

Related Security Bulletins